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(37.) Wellington.—Spring water from Maryville near Wellington. 
96 JOHN C. H. MINGAYE. 
Grains per Gallon. In 1000 Parts. 
Total solid residue at 220° F. ... 13805:248 ... 186467 
Chlorine in combination ... 613°316 ..;eeeee 
Sulphuric Acid in combination... 133°952 ... 1:9136 
Free Ammonia ... Bs ... ‘012 parts per 100,000 pts. 
Albuminoid Ammonia ... «ee O08 5 
Taste, very saline ; reaction, alkaline; odour, earthy. Colour 
in a two feet tube, light pale green. 
Remarks.— The total solids consist largely of soda, potash, 
lime and magnesia combined with chlorine, sulphuric and carbonic 
acids, traces of alumina and silica. The water is strongly 
impregnated with mineral matter, a large portion of the total 
solids consisting of chloride of sodium (common salt) which gives 
it a brackish taste. Unsuitable for human consumption, and of 
no value for irrigation purposes. On no account should it be used 
for watering stock. 
(38.) Gladesville near Sydney.—Water from a bore. 
Grains per Gallon. In 1000 Parts. 
Total fixed matter ... = ... SLO Lo eee 
Insoluble solids... ne, a. ~ 720 4.9 9ee 
Soluble solids Wes sae «6200S | on eae 
Volatile at red heat oe wei 145... (SO2OR 
Protoxide of Iron ... ox wc. «=—sdL 45 Le | 
Chlorine... ees a .. Ldo1O 2... fakoe ! 
Free Ammonia ... ahs ... nil per 100,000 parts f 
Organic, or Albuminoid Ammonia nil y) ; 
Remarks.— Water fairly bright. The soluble solids were found 
to consist of chloride of sodium, sulphates of lime and magnesia, 
silica, oxide. of iron, alkaline carbonates etc. The insoluble of 
carbonates of lime and magnesia, etc. The amount of protoxide 
of iron in this water is small, and it can be got rid of by exposing 
the water for some time when it will be precipitated. ‘This water 
may be used for domestic purposes, and is useful for irrigation. — 
